var menuids=["treemenu1"] 
function buildsubmenus_horizontal()
{
				for (var i=0; i<menuids.length; i++)
				{
						var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
						for (var t=0; t<ultags.length; t++)
						{
								if (ultags[t].parentNode.parentNode.id==menuids[i])
								{
										ultags[t].style.top=ultags[t].parentNode.offsetHeight+"px"
										ultags[t].parentNode.getElementsByTagName("a")[0].className="mainfoldericon"
								}
								else
								{
										ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px"
										ultags[t].parentNode.getElementsByTagName("a")[0].className="subfoldericon"
								}
								ultags[t].parentNode.onmouseover=function()
								{
										this.getElementsByTagName("ul")[0].style.visibility="visible"
								}
								ultags[t].parentNode.onmouseout=function()
								{
										this.getElementsByTagName("ul")[0].style.visibility="hidden"
								}
						}
				}
	  }
		if (window.addEventListener)
		{
				window.addEventListener("load", buildsubmenus_horizontal, false)
		}
		else if (window.attachEvent)
		{
				window.attachEvent("onload", buildsubmenus_horizontal)
		}